EP0152328A3 - Device for writing on and reading from a magnetic carrier, and process for its production - Google Patents

Device for writing on and reading from a magnetic carrier, and process for its production Download PDF

Info

Publication number
EP0152328A3
EP0152328A3 EP85400138A EP85400138A EP0152328A3 EP 0152328 A3 EP0152328 A3 EP 0152328A3 EP 85400138 A EP85400138 A EP 85400138A EP 85400138 A EP85400138 A EP 85400138A EP 0152328 A3 EP0152328 A3 EP 0152328A3
Authority
EP
European Patent Office
Prior art keywords
writing
reading
production
magnetic carrier
carrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP85400138A
Other languages
French (fr)
Other versions
EP0152328A2 (en
EP0152328B1 (en
Inventor
Jean-Pierre Lazzari
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of EP0152328A2 publication Critical patent/EP0152328A2/en
Publication of EP0152328A3 publication Critical patent/EP0152328A3/en
Application granted granted Critical
Publication of EP0152328B1 publication Critical patent/EP0152328B1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/1871—Shaping or contouring of the transducing or guiding surface
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
EP85400138A 1984-02-03 1985-01-28 Device for writing on and reading from a magnetic carrier, and process for its production Expired EP0152328B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8401881 1984-02-03
FR8401881A FR2559296B1 (en) 1984-02-03 1984-02-03 NOVEL CATAMARAN SKATE FOR MAGNETIC RECORDING HEADS AND MANUFACTURING METHOD THEREOF

Publications (3)

Publication Number Publication Date
EP0152328A2 EP0152328A2 (en) 1985-08-21
EP0152328A3 true EP0152328A3 (en) 1985-09-18
EP0152328B1 EP0152328B1 (en) 1989-07-12

Family

ID=9300845

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85400138A Expired EP0152328B1 (en) 1984-02-03 1985-01-28 Device for writing on and reading from a magnetic carrier, and process for its production

Country Status (5)

Country Link
US (1) US4698708A (en)
EP (1) EP0152328B1 (en)
JP (1) JPS60179919A (en)
DE (1) DE3571521D1 (en)
FR (1) FR2559296B1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2741470B1 (en) * 1995-11-22 1998-01-02 Commissariat Energie Atomique METHOD FOR PRODUCING A PLANAR MAGNETIC HEAD AND HEAD OBTAINED BY THIS PROCESS
FR2559297B1 (en) * 1984-02-03 1990-01-12 Commissariat Energie Atomique NEW FLIGHT SKATE FOR MAGNETIC RECORDING HEADS
JPS62200517A (en) * 1986-02-27 1987-09-04 Alps Electric Co Ltd Vertical magnetic recording magnetic head and its manufacture
FR2630244B1 (en) * 1988-04-15 1990-07-13 Commissariat Energie Atomique WRITING AND READING DEVICE ON A MAGNETIC MEDIUM AND ITS MANUFACTURING METHOD
US6320725B1 (en) * 1989-11-27 2001-11-20 Censtor Corporation Hard disk drive having ring head with predominantly perpendicular media fields
US6493191B1 (en) 1989-11-27 2002-12-10 Censtor Corporation Planar magnetic ring head for contact recording with a rigid disk
FR2683369B1 (en) * 1991-10-30 1993-12-24 Commissariat A Energie Atomique CATAMARAN FLIGHT SKATE WITH PERIPHERAL LOCKINGS.
CA2090708A1 (en) * 1992-04-30 1993-10-31 Jeffrey Merritt Mckay Combination transducer/slider/suspension and method for making
FR2705488B1 (en) * 1993-05-14 1995-06-23 Commissariat Energie Atomique Magnetic writing head for magneto-optical recording.
US5805382A (en) * 1996-06-21 1998-09-08 International Business Machines Corporation Integrated conductor magnetic recording head and suspension having cross-over integrated circuits for noise reduction
US5871655A (en) * 1998-03-19 1999-02-16 International Business Machines Corporation Integrated conductor magnetic recording head and suspension having cross-over integrated circuits for noise reduction
US7196016B2 (en) * 2003-09-29 2007-03-27 Hitachi Global Storage Technologies Netherlands, B.V. Fabrication process for preparing recording head sliders made from silicon substrates with SiO2 overcoats
US7362542B2 (en) 2004-06-29 2008-04-22 Hitachi Global Storage Technologies Netherlands, B.V. Slider with underpass lead configured as a cooling plate
US7535676B2 (en) * 2004-08-26 2009-05-19 Hitachi Global Storage Technologies B.V. Slider with bonding pads opposite the air bearing surface
US7554055B2 (en) * 2005-05-03 2009-06-30 Hitachi Global Storage Technologies Netherlands B.V. Method for making ohmic contact to silicon structures with low thermal loads
US20080068750A1 (en) * 2006-09-19 2008-03-20 International Business Machines Corporation Planar Write Module And Hybrid Planar Write-Vertical Read Bidirectional Tape Head
US20080068752A1 (en) * 2006-09-19 2008-03-20 International Business Machines Corporation Planar Bidirectional Tape Head With Planar Read And Write Elements

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2961494A (en) * 1956-02-08 1960-11-22 Lab For Electronics Inc Magnetic head assemblies
US3657806A (en) * 1970-12-28 1972-04-25 Ibm Method for manufacturing a thin-film magnetic head assembly
EP0032230A2 (en) * 1980-01-14 1981-07-22 Siemens Aktiengesellschaft Integrated magnetic transducer and method of manufacturing the same
EP0080373A1 (en) * 1981-11-23 1983-06-01 Xerox Corporation Method of forming thin film magnetic head arrays

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922776A (en) * 1974-05-13 1975-12-02 Vrc California Method for making narrow track ferrite core flying pads
JPS5236016A (en) * 1975-09-17 1977-03-19 Hitachi Ltd Manufacturing method for floating magnetic head
JPS5250711A (en) * 1975-10-22 1977-04-23 Hitachi Ltd Process for production of slider
US4321641A (en) * 1977-09-02 1982-03-23 Magnex Corporation Thin film magnetic recording heads
JPS5798118A (en) * 1980-12-08 1982-06-18 Fujitsu Ltd Method for manufacturing magnetic head
JPS5798120A (en) * 1980-12-10 1982-06-18 Comput Basic Mach Technol Res Assoc Thin film magnetic head
JPS58114328A (en) * 1981-12-25 1983-07-07 Fujitsu Ltd Production of magnetic head

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2961494A (en) * 1956-02-08 1960-11-22 Lab For Electronics Inc Magnetic head assemblies
US3657806A (en) * 1970-12-28 1972-04-25 Ibm Method for manufacturing a thin-film magnetic head assembly
EP0032230A2 (en) * 1980-01-14 1981-07-22 Siemens Aktiengesellschaft Integrated magnetic transducer and method of manufacturing the same
EP0080373A1 (en) * 1981-11-23 1983-06-01 Xerox Corporation Method of forming thin film magnetic head arrays

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 15, no. 7, décembre 1972, pages 2183,2184, New York, US; W.A. WARWICK: "Multilayer ceramic slider for thin-film heads" *
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 21, no. 12, mai 1979, page 5002, New York, US; K.E. PETERSEN: "Thin film magnetic heads" *
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 25, no. 7A, décembre 1982, page 3173, New York, US; G. KAUS et al.: "Sliders for magnetic heads of surface-hardened silicon with integrated electronic components" *
PATENTS ABSTRACTS OF JAPAN, vol. 1, no. 103, 13 septembre 1977, page 3310E77; & JP - A - 52 36016 (HITACHI SEISAKUSHO K.K.) 19-03-1977 *
PATENTS ABSTRACTS OF JAPAN, vol. 1, no. 119, 11 octobre 1977, page 4772E77; & JP - A - 52 50711 (HITACHI SEISAKUSHO K.K.) 23-04-1977 *
PATENTS ABSTRACTS OF JAPAN, vol. 7, no. 224 (P-227)[1369], 5 octobre 1983; & JP - A - 58 114 328 (FUJITSU K.K.) 07-07-1983 *

Also Published As

Publication number Publication date
EP0152328A2 (en) 1985-08-21
EP0152328B1 (en) 1989-07-12
JPS60179919A (en) 1985-09-13
FR2559296B1 (en) 1988-12-30
JPH0481804B2 (en) 1992-12-25
FR2559296A1 (en) 1985-08-09
DE3571521D1 (en) 1989-08-17
US4698708A (en) 1987-10-06

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